Lanczos, Cornelius,  1893- <br/><br/>
Linear differential operators/ 
Cornelius Lanczos. 
 - London:  New York:  Van Nostrand,  [1961]. 
 - 564 p.:  illus.,  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>61013473 /L/r83 
<br/><br/><label>Nat. Bib. No.: </label>GB61-16510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus, Operational.<br/>Differential equations, Linear.
<br/><br/><label>Dewey Class. No.: </label>515.35  / L252l